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The McDonnell & Miller 304100 Head Gasket (Model F-26) is a critical sealing component engineered specifically for high-performance boiler water feeders and low water cut-off systems
The Maxitrol PF10 is a specialized 1/8" NPT pressure tap fitting engineered for contractors who require precision when monitoring inlet and outlet pressures on gas regulators and control systems
it allows system pressures to equalize
For technicians requiring a durable spade plug configuration
Whether you are servicing a furnace
Reznor 131449 Limit Switch The McDonnell & Miller 304100The Reznor 131449 Limit Switch is a critical OEM replacement part designed for integration into gas fired unit heaters and industrial HVAC systems. This 110F CO Auto Limit Switch functions as a high limit safety cut out, automatically breaking the electrical circuit if internal temperatures reach the 110F threshold. Engineered for heavy duty industrial heating equipment, this component helps prevent heat exchanger damage and ensures safe operational
US$ 1299.50
US$ 452.00
US$ 25.00